IC-Hersteller Onsemi

IC-Hersteller (96)

Onsemi NCP1581

High Frequency Synchronous Step Down PWM Controller for Tracking Applications

Details

TopologieAbwärtswandler
Eingangsspannung8-20 V
Schaltfrequenz370-430 kHz
Ausgang 13 V / 10 A

Beschreibung

The NCP1581 controller IC is designed to provide a simple synchronous buck regulator for on−board DC to DC applications in a 14−pin SOIC. The NCP1581 is designed specifically for tracking applications by providing the track input.The NCP1581 operates at a fixed internal 400 kHz switching frequency allowing the use of small external components. The device features a programmable soft start set by an external capacitor, under−voltage lockout and output under−voltage detection that latches off the device when an output short is detected.

Eigenschaften

  • Power up Sequencing / Tracking
  • Enable Input
  • Internal 400 kHz Oscillator
  • Programmable Soft−Start
  • Fixed Frequency Voltage Mode
  • Voltage Mode Adaptive Deadtime
  • This is a Pb−Free Device

Typische Anwendungen

  • Graphics Cards
  • Tracking Applications
  • Game Consoles
  • General DC to DC Converters
  • Computing Peripheral Voltage Regulators

Weiterführende Informationen

Artikeldaten

Artikel Nr. Daten­blatt Simu­lation Downloads ProduktserieL
(µH)
IRP,40K
(A)
ISAT1
(A)
ISAT,30%
(A)
RDC
(mΩ)
fres
(MHz)
Material Muster
744313120SPEC
8 Dateien WE-HCI SMT-Hochstrominduktivität 1.2 28.8 10 28 2.85 58 Superflux
Artikel Nr. Daten­blatt Simu­lation
744313120SPEC
Muster
Artikel Nr. Daten­blatt Simu­lation Downloads ProduktserieL
(µH)
IRP,40K
(A)
ISAT1
(A)
ISAT,30%
(A)
RDC
(mΩ)
fres
(MHz)
Material Muster